code: def main():
      data_root = args.data_root
      dest_root = args.dest_root
  
      logging.info("\n\nConverting audio for Part 1")
      __process_set(
          os.path.join(
              data_root,
              "LDC2004S13-Part1",
              "fisher_eng_tr_sp_d*",
              "audio",
              "*",
              "*.sph",
          ),
          os.path.join(dest_root, "LDC2004S13-Part1", "audio_wav"),
      )
  
      logging.info("\n\nConverting audio for Part 2")
      __process_set(
          os.path.join(
              data_root,
              "LDC2005S13-Part2",
              "fe_03_p2_sph*",
              "audio",
              "*",
              "*.sph",
          ),
          os.path.join(dest_root, "LDC2005S13-Part2", "audio_wav"),
      )
  
file_path: NeMo/scripts/dataset_processing/fisher_audio_to_wav.py
imports: import argparse
  import concurrent.futures
  import glob
  import logging
  import os
  import subprocess
  from tqdm import tqdm
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types